{\rtf1\ansi\ansicpg936\cocoartf2639
\cocoatextscaling0\cocoaplatform0{\fonttbl\f0\fnil\fcharset134 PingFangSC-Semibold;\f1\fnil\fcharset0 .SFNS-Regular_wdth_opsz1A6666_GRAD_wght2580000;\f2\fnil\fcharset0 .SFNS-Regular;
\f3\fnil\fcharset134 PingFangSC-Regular;\f4\fnil\fcharset134 .AppleSimplifiedChineseFont-Bold;\f5\fnil\fcharset134 .AppleSimplifiedChineseFont-Regular;
\f6\fnil\fcharset0 Menlo-Regular;\f7\fnil\fcharset0 HelveticaNeue;\f8\fswiss\fcharset0 ArialMT;
}
{\colortbl;\red255\green255\blue255;\red33\green47\blue63;\red255\green255\blue255;\red56\green81\blue111;
\red21\green23\blue26;\red38\green38\blue38;}
{\*\expandedcolortbl;;\cssrgb\c17255\c24314\c31373;\cssrgb\c100000\c100000\c100000;\cssrgb\c27843\c39608\c50980;
\cssrgb\c10588\c12157\c13725\c5098;\cssrgb\c20000\c20000\c20000;}
\paperw11900\paperh16840\margl1440\margr1440\vieww12100\viewh21740\viewkind0
\deftab720
\pard\pardeftab720\sa240\partightenfactor0

\f0\b\fs48 \cf2 \cb3 \expnd0\expndtw0\kerning0
\'cb\'b5\'cb\'b5
\f1 var
\f0 \'a1\'a2
\f1 let
\f0 \'a1\'a2
\f1 const
\f0 \'d6\'ae\'bc\'e4\'b5\'c4\'c7\'f8\'b1\'f0
\f1\fs52\fsmilli26400 \
\pard\pardeftab720\partightenfactor0

\f2\b0\fs24 \cf2 1.
\f3 \cf2 \'b1\'e4\'c1\'bf\'cc\'e1\'c9\'fd
\f2 \cf2 \
Var
\f3 \cf2 \'b4\'e6\'d4\'da\'b1\'e4\'c1\'bf\'cc\'e1\'c9\'fd\'a3\'ac\'d4\'da\'c9\'f9\'c3\'f7\'d6\'ae\'c7\'b0\'b5\'f7\'d3\'c3\'a3\'ac\'d6\'b5\'ce\'aaundefined
\f2 \cf2 \
Let
\f3 \cf2 \'ba\'cd
\f2 \cf2 const
\f3 \cf2 \'b2\'bb\'b4\'e6\'d4\'da\'b1\'e4\'c1\'bf\'cc\'e1\'c9\'fd\'a3\'ac\'d4\'da\'c9\'f9\'c3\'f7\'d6\'ae\'c7\'b0\'b5\'f7\'d3\'c3\'b1\'a8\'b4\'ed\
2.\'d4\'dd\'ca\'b1\'d0\'d4\'cb\'c0\'c7\'f8\
Var\'b2\'bb\'b4\'e6\'d4\'da\'d4\'dd\'ca\'b1\'d0\'d4\'cb\'c0\'c7\'f8\
Let\'ba\'cdconst\'b4\'e6\'d4\'da\'a3\'ac\'d6\'bb\'d3\'d0\'d4\'da\'c9\'f9\'c3\'f7\'b1\'e4\'c1\'bf\'d6\'ae\'ba\'f3\'b2\'c5\'bf\'c9\'d2\'d4\'bb\'f1\'c8\'a1\'ba\'cd\'ca\'b9\'d3\'c3\'b8\'c3\'b1\'e4\'c1\'bf\
3.\'bf\'e9\'bc\'b6\'d7\'f7\'d3\'c3\'d3\'f2\
Var\'b2\'bb\'b4\'e6\'d4\'da\'bf\'e9\'bc\'b6\'d7\'f7\'d3\'c3\'d3\'f2\
let\'ba\'cdconst\'b4\'e6\'d4\'da\
4.\'d6\'d8\'b8\'b4\'c9\'f9\'c3\'f7\
var\'d4\'ca\'d0\'ed\
Let\'ba\'cdconst\'d4\'da\'cd\'ac\'d2\'bb\'d7\'f7\'d3\'c3\'d3\'f2\'b2\'bb\'d4\'ca\'d0\'ed\
5.\'d0\'de\'b8\'c4\'c9\'f9\'c3\'f7\'b5\'c4\'b1\'e4\'c1\'bf\
var\'ba\'cdlet\'bf\'c9\'d2\'d4\
Const\'b2\'bb\'c4\'dc\'b8\'fc\'b8\'c4 \'d3\'c9\'d3\'da\'b2\'bb\'c4\'dc\'b8\'fc\'b8\'c4\'b5\'c4\'ca\'c7\'c4\'da\'b4\'e6\'b5\'d8\'d6\'b7\'a3\'ac\'cb\'f9\'d2\'d4\'b8\'b4\'d4\'d3\'c0\'e0\'d0\'cd\'bf\'c9\'d2\'d4\'b8\'fc\'b8\'c4\'b5\'d8\'d6\'b7\'c4\'da\'b5\'c4\'d6\'b5\
==============================================================================\
\pard\pardeftab720\sa240\partightenfactor0

\f4\b\fs48 \cf2 \'ca\'fd\'d7\'e9\'d0\'c2\'d4\'f6\'c1\'cb\'c4\'c4\'d0\'a9\'c0\'a9\'d5\'b9\'a3\'bf
\f1\fs52\fsmilli26400 \
\pard\pardeftab720\partightenfactor0

\fs24 \cf2 1.
\f0 \'c0\'a9\'d5\'b9\'d4\'cb\'cb\'e3\'b7\'fb \'a1\'ad\

\f5\b0 \'c0\'a9\'d5\'b9\'d4\'cb\'cb\'e3\'b7\'fb\'d3\'c3\'d3\'da\'ca\'fd\'d7\'e9\'b8\'b3\'d6\'b5\'a3\'ac\'d6\'bb\'c4\'dc\'b7\'c5\'d4\'da\'b2\'ce\'ca\'fd\'b5\'c4\'d7\'ee\'ba\'f3\'d2\'bb\'ce\'bb\'a3\'ac\'b7\'f1\'d4\'f2\'bb\'e1\'b1\'a8\'b4\'ed\
2.
\f4\b \'b9\'b9\'d4\'ec\'ba\'af\'ca\'fd\'d0\'c2\'d4\'f6\'b5\'c4\'b7\'bd\'b7\'a8\'a3\'ba
\f5\b0 \
Array.from()\
\'bd\'ab\'c1\'bd\'c0\'e0\'b6\'d4\'cf\'f3\'d7\'aa\'bb\'af\'ce\'aa\'d5\'e6\'d5\'fd\'b5\'c4\'ca\'fd\'d7\'e9\'a3\'a8\'c0\'e0\'cb\'c6\'ca\'fd\'d7\'e9\'b5\'c4\'b6\'d4\'cf\'f3\'ba\'cd\'bf\'c9\'b1\'e9\'c0\'fa\'b5\'c4\'b6\'d4\'cf\'f3\'a3\'a9\
\'bb\'b9\'bf\'c9\'d2\'d4\'bd\'d3\'ca\'dc\'b5\'da\'b6\'fe\'b8\'f6\'b2\'ce\'ca\'fd\'a3\'ac\'d3\'c3\'c0\'b4\'b6\'d4\'c3\'bf\'b8\'f6\'d4\'aa\'cb\'d8\'bd\'f8\'d0\'d0\'b4\'a6\'c0\'ed\'a3\'ac\'bd\'ab\'b4\'a6\'c0\'ed\'ba\'f3\'b5\'c4\'d6\'b5\'b7\'c5\'c8\'eb\'b7\'b5\'bb\'d8\'b5\'c4\'ca\'fd\'d7\'e9\
Array.of()\
\'bd\'ab\'d2\'bb\'d7\'e9\'d6\'b5\'d7\'aa\'bb\'af\'ce\'aa\'ca\'fd\'d7\'e9\
\pard\pardeftab720\partightenfactor0

\f3 \cf2 \'c3\'bb\'d3\'d0\'b2\'ce\'ca\'fd\'b5\'c4\'ca\'b1\'ba\'f2\'a3\'ac\'b7\'b5\'bb\'d8\'d2\'bb\'b8\'f6\'bf\'d5\'ca\'fd\'d7\'e9\
\'b5\'b1\'b2\'ce\'ca\'fd\'d6\'bb\'d3\'d0\'d2\'bb\'b8\'f6\'b5\'c4\'ca\'b1\'ba\'f2\'a3\'ac\'ca\'b5\'bc\'ca\'c9\'cf\'ca\'c7\'d6\'b8\'b6\'a8\'ca\'fd\'d7\'e9\'b5\'c4\'b3\'a4\'b6\'c8\
\'b2\'ce\'ca\'fd\'b8\'f6\'ca\'fd\'b2\'bb\'c9\'d9\'d3\'da 2 \'b8\'f6\'ca\'b1\'a3\'ac\cf4 \cb5 Array()\cf2 \cb3 \'b2\'c5\'bb\'e1\'b7\'b5\'bb\'d8\'d3\'c9\'b2\'ce\'ca\'fd\'d7\'e9\'b3\'c9\'b5\'c4\'d0\'c2\'ca\'fd\'d7\'e9\
3.\'ca\'b5\'c0\'fd\'b6\'d4\'cf\'f3\'d0\'c2\'d4\'f6\'b5\'c4\'b7\'bd\'b7\'a8\'a3\'ba\
find()\'b7\'b5\'bb\'d8\'b5\'da\'d2\'bb\'b8\'f6\'c2\'fa\'d7\'e3\'cc\'f5\'bc\'fe\'b5\'c4\'ca\'fd\'d7\'e9\'b3\'c9\'d4\'b1,\'c3\'bb\'d3\'d0\'b7\'b5\'bb\'d8undefined \'b2\'bb\'b8\'c4\'b1\'e4\'d4\'ad\'ca\'fd\'d7\'e9\
findIndex()\'b7\'b5\'bb\'d8\'b5\'da\'d2\'bb\'b8\'f6\'c2\'fa\'d7\'e3\'cc\'f5\'bc\'fe\'b5\'c4\'ca\'fd\'d7\'e9\'b3\'c9\'d4\'b1\'b5\'c4\'ce\'bb\'d6\'c3\'a3\'ac\'c3\'bb\'d3\'d0\'b7\'b5\'bb\'d8-1  \'b2\'bb\'b8\'c4\'b1\'e4\'d4\'ad\'ca\'fd\'d7\'e9\
\pard\pardeftab720\partightenfactor0

\fs32 \cf2 \'d5\'e2\'c1\'bd\'b8\'f6\'b7\'bd\'b7\'a8\'b6\'bc\'bf\'c9\'d2\'d4\'bd\'d3\'ca\'dc\'b5\'da\'b6\'fe\'b8\'f6\'b2\'ce\'ca\'fd\'a3\'ac\'d3\'c3\'c0\'b4\'b0\'f3\'b6\'a8\'bb\'d8\'b5\'f7\'ba\'af\'ca\'fd\'b5\'c4
\f6\fs27\fsmilli13600 \cf4 \cb5 this
\f3\fs32 \cf2 \cb3 \'b6\'d4\'cf\'f3\'a1\'a3
\f7 \cf2 \
\pard\pardeftab720\partightenfactor0

\f3\fs24 \cf2 includes() \'c5\'d0\'b6\'cf\'ca\'fd\'d7\'e9\'ca\'c7\'b7\'f1\'b0\'fc\'ba\'ac\'b8\'f8\'b6\'a8\'d6\'b5\
flat() \'bd\'ab\'ca\'fd\'d7\'e9\'b1\'e2\'c6\'bd\'bb\'af\'b4\'a6\'c0\'ed\'a3\'ac\'b7\'b5\'bb\'d8\'d0\'c2\'ca\'fd\'d7\'e9\'a3\'ac\'b2\'bb\'b8\'c4\'b1\'e4\'d4\'ad\'ca\'fd\'d7\'e9\
flatMap() \'b6\'d4\'d4\'ad\'ca\'fd\'d7\'e9\'b5\'c4\'c3\'bf\'b8\'f6\'b3\'c9\'d4\'b1\'d6\'b4\'d0\'d0\'d2\'bb\'b8\'f6\'ba\'af\'ca\'fd\'cf\'e0\'b5\'b1\'d3\'da\'d6\'b4\'d0\'d0\cf4 \cb5 Array.prototype.map()\cf2 \cb3 \'a3\'ac\'c8\'bb\'ba\'f3\'b6\'d4\'b7\'b5\'bb\'d8\'d6\'b5\'d7\'e9\'b3\'c9\'b5\'c4\'ca\'fd\'d7\'e9\'d6\'b4\'d0\'d0\cf4 \cb5 flat()\cf2 \cb3 \'b7\'bd\'b7\'a8\'a1\'a3\'b8\'c3\'b7\'bd\'b7\'a8\'b7\'b5\'bb\'d8\'d2\'bb\'b8\'f6\'d0\'c2\'ca\'fd\'d7\'e9\'a3\'ac\'b2\'bb\'b8\'c4\'b1\'e4\'d4\'ad\'ca\'fd\'d7\'e9\
\
\
fill(\'cc\'ee\'b3\'e4\'b2\'ce\'ca\'fd\'a3\'acstart\'a3\'acend)\'ca\'b9\'d3\'c3\'b8\'f8\'b6\'a8\'d6\'b5\'a3\'ac\'cc\'ee\'b3\'e4\'ca\'fd\'d7\'e9 \'c8\'e7\'b9\'fb\'cc\'ee\'b3\'e4\'b5\'c4\'ca\'c7\'b6\'d4\'cf\'f3\'a3\'ac\'d4\'f2\'ce\'aa\'c7\'b3\'bf\'bd\'b1\'b4\
entries\'a3\'a8\'a3\'a9\'b6\'d4\'bc\'fc\'d6\'b5\'b6\'d4\'b1\'e9\'c0\'fa\
Keys\'a3\'a8\'a3\'a9\'b6\'d4\'bc\'fc\'c3\'fb\'b1\'e9\'c0\'fa\
values\'a3\'a8\'a3\'a9\'b6\'d4\'bc\'fc\'d6\'b5\'b1\'e9\'c0\'fa\
\
4.
\fs32 \'ca\'fd\'d7\'e9\'b5\'c4\'bf\'d5\'ce\'bb\'d6\'b8\'a3\'ac\'ca\'fd\'d7\'e9\'b5\'c4\'c4\'b3\'d2\'bb\'b8\'f6\'ce\'bb\'d6\'c3\'c3\'bb\'d3\'d0\'c8\'ce\'ba\'ce\'d6\'b5\

\fs24 ==============================================================================\
\pard\pardeftab720\sa240\partightenfactor0

\fs48 \cf2 \'b6\'d4\'cf\'f3\'d0\'c2\'d4\'f6\'c1\'cb\'c4\'c4\'d0\'a9\'c0\'a9\'d5\'b9\'a3\'bf
\f1\b\fs52\fsmilli26400 \
\pard\pardeftab720\partightenfactor0

\f3\b0\fs24 \cf2 1.\'ca\'f4\'d0\'d4\'bc\'f2\'d0\'b4\
\'bc\'f2\'d0\'b4\'b5\'c4\'b6\'d4\'cf\'f3\'b7\'bd\'b7\'a8\'b2\'bb\'c4\'dc\'d3\'c3\'d7\'f7\'b9\'b9\'d4\'ec\'ba\'af\'ca\'fd\'a3\'ac\'b7\'f1\'d4\'f2\'b1\'a8\'b4\'ed\
2.\'ca\'f4\'d0\'d4\'c3\'fb\'b1\'ed\'b4\'ef\'ca\'bd\
3.super\'b9\'d8\'bc\'fc\'d7\'d6 \'c6\'e4\'d6\'d0this\'d6\'b8\'cf\'f2\'b5\'b1\'c7\'b0\'b6\'d4\'cf\'f3\'b5\'c4\'d4\'ad\'d0\'cd\'b6\'d4\'cf\'f3\
4.\'c0\'a9\'d5\'b9\'d4\'cb\'cb\'e3\'b7\'fb\'b5\'c4\'d3\'a6\'d3\'c3 \'ca\'c7\'c7\'b3\'bf\'bd\'b1\'b4\
5.\'ca\'f4\'d0\'d4\'b5\'c4\'b1\'e9\'c0\'fa\
For...in\
Object.keys(obj)\
Object.getOwnPropertyNames(obj)\
Object.getOwnPropertyNames(obj)\
Reflect.ownKeys(obj)\
6.\'b6\'d4\'cf\'f3\'d0\'c2\'d4\'f6\'b5\'c4\'b7\'bd\'b7\'a8\
Object.is()\
Object.assign()\
==============================================================================\
\pard\pardeftab720\sa240\partightenfactor0

\fs48 \cf2 \'ba\'af\'ca\'fd\'d0\'c2\'d4\'f6\'c1\'cb\'c4\'c4\'d0\'a9\'c0\'a9\'d5\'b9\'a3\'bf
\f7\fs32 \
\pard\pardeftab720\partightenfactor0

\f3\fs24 \cf2 \'c4\'e3\'ba\'c3\
\'d2\'bb\'a1\'a2\'b2\'ce\'ca\'fd\
1.es6\'d4\'ca\'d0\'ed\'ce\'aa\'ba\'af\'ca\'fd\'b5\'c4\'b2\'ce\'ca\'fd\'c9\'e8\'d6\'c3\'c4\'ac\'c8\'cf\'d6\'b5\
2.\'ba\'af\'ca\'fd\'b5\'c4\'d0\'ce\'b2\'ce\'ca\'c7\'c4\'ac\'c8\'cf\'c9\'f9\'c3\'f7\'b5\'c4\'a3\'ac\'b2\'bb\'c4\'dc\'d3\'c3let\'bb\'f2\'d5\'dfconst\'d4\'d9\'b4\'ce\'c9\'f9\'c3\'f7\
3.\'b2\'ce\'ca\'fd\'c4\'ac\'c8\'cf\'d6\'b5\'bf\'c9\'d2\'d4\'b8\'fa\'bd\'e2\'b9\'b9\'b8\'b3\'d6\'b5\'b5\'c4\'c4\'ac\'c8\'cf\'d6\'b5\'bd\'e1\'ba\'cf\'c6\'f0\'c0\'b4\'ca\'b9\'d3\'c3\
\'b6\'fe\'a1\'a2\'ca\'f4\'d0\'d4\
1.length\'ca\'f4\'d0\'d4 \'b7\'b5\'bb\'d8\'c3\'bb\'d3\'d0\'d6\'b8\'b6\'a8\'c4\'ac\'c8\'cf\'d6\'b5\'b5\'c4\'b2\'ce\'ca\'fd\'b8\'f6\'ca\'fd\
rest\'b2\'ce\'ca\'fd\'d2\'b2\'b2\'bb\'bb\'e1\'bc\'c6\'c8\'eblength\'ca\'f4\'d0\'d4\
\'c8\'e7\'b9\'fb\'c9\'e8\'d6\'c3\'c1\'cb\'c4\'ac\'c8\'cf\'d6\'b5\'b5\'c4\'b2\'ce\'ca\'fd\'b2\'bb\'ca\'c7\'ce\'b2\'b2\'ce\'ca\'fd\'a3\'ac\'c4\'c7\'c3\'b4length\'ca\'f4\'d0\'d4\'d2\'b2\'b2\'bb\'d4\'d9\'bc\'c6\'c8\'eb\'ba\'f3\'c3\'e6\'b5\'c4\'b2\'ce\'ca\'fd\
2.name \'b7\'b5\'bb\'d8\'b8\'c3\'ba\'af\'ca\'fd\'b5\'c4\'ba\'af\'ca\'fd\'c3\'fb\
\'c8\'e7\'b9\'fb\'bd\'ab\'d2\'bb\'b8\'f6\'be\'df\'c3\'fb\'ba\'af\'ca\'fd\'b8\'b3\'d6\'b5\'b8\'f8\'d2\'bb\'b8\'f6\'b1\'e4\'c1\'bf\'a3\'ac\'d4\'f2\uc0\u160 \cf4 \cb5 name\cf2 \cb3 \'ca\'f4\'d0\'d4\'b6\'bc\'b7\'b5\'bb\'d8\'d5\'e2\'b8\'f6\'be\'df\'c3\'fb\'ba\'af\'ca\'fd\'d4\'ad\'b1\'be\'b5\'c4\'c3\'fb\'d7\'d6\
\pard\pardeftab720\partightenfactor0
\cf4 \cb5 Function\cf2 \cb3 \'b9\'b9\'d4\'ec\'ba\'af\'ca\'fd\'b7\'b5\'bb\'d8\'b5\'c4\'ba\'af\'ca\'fd\'ca\'b5\'c0\'fd\'a3\'ac\cf4 \cb5 name\cf2 \cb3 \'ca\'f4\'d0\'d4\'b5\'c4\'d6\'b5\'ce\'aa\cf4 \cb5 anonymous\
bind\cf2 \cb3 \'b7\'b5\'bb\'d8\'b5\'c4\'ba\'af\'ca\'fd\'a3\'ac\cf4 \cb5 name\cf2 \cb3 \'ca\'f4\'d0\'d4\'d6\'b5\'bb\'e1\'bc\'d3\'c9\'cf\cf4 \cb5 bound\cf2 \cb3 \'c7\'b0\'d7\'ba\
3.\'d7\'f7\'d3\'c3\'d3\'f2\
4.\'d6\'bb\'d2\'aa\'ba\'af\'ca\'fd\'b2\'ce\'ca\'fd\'ca\'b9\'d3\'c3\'c1\'cb\'c4\'ac\'c8\'cf\'d6\'b5\'a1\'a2\'bd\'e2\'b9\'b9\'b8\'b3\'d6\'b5\'a1\'a2\'bb\'f2\'d5\'df\'c0\'a9\'d5\'b9\'d4\'cb\'cb\'e3\'b7\'fb\'a3\'ac\'c4\'c7\'c3\'b4\'ba\'af\'ca\'fd\'c4\'da\'b2\'bf\'be\'cd\'b2\'bb\'c4\'dc\'cf\'d4\'ca\'bd\'c9\'e8\'b6\'a8\'ce\'aa\'d1\'cf\'b8\'f1\'c4\'a3\'ca\'bd\'a3\'ac\'b7\'f1\'d4\'f2\'bb\'e1\'b1\'a8\'b4\'ed\
5.\'bc\'fd\'cd\'b7\'ba\'af\'ca\'fd\
\'c4\'e3\'ba\'c3\
===========================================================================\
\pard\pardeftab720\partightenfactor0

\f0\b\fs48 \cf2 \'d4\'f5\'c3\'b4\'c0\'ed\'bd\'e2
\f1 ES6
\f0 \'d0\'c2\'d4\'f6
\f1 Set
\f0 \'a1\'a2
\f1 Map
\f0 \'c1\'bd\'d6\'d6\'ca\'fd\'be\'dd\'bd\'e1\'b9\'b9\'b5\'c4\'a3\'bf
\f1\fs52\fsmilli26400 \
\pard\pardeftab720\partightenfactor0

\f3\b0\fs24 \cf2 \
\'c4\'e3\'ba\'c3\
Set\'ca\'c7\'d2\'bb\'d6\'d6\'bd\'d0\'d7\'f6\'bc\'af\'ba\'cf\'b5\'c4\'ca\'fd\'be\'dd\'bd\'e1\'b9\'b9\'a3\'ac\'bc\'af\'ba\'cf\'ca\'c7\'d3\'c9\'d2\'bb\'b6\'d1\'ce\'de\'d0\'f2\'b5\'c4\'a1\'a2\'cf\'e0\'b9\'d8\'c1\'aa\'b5\'c4\'a3\'ac\'c7\'d2\'b2\'bb\'d6\'d8\'b8\'b4\'b5\'c4\'c4\'da\'b4\'e6\'bd\'e1\'b9\'b9\'d7\'e9\'b3\'c9\'b5\'c4\'d7\'e9\'ba\'cf\
Map\'ca\'c7\'d2\'bb\'d6\'d6\'bd\'d0\'d7\'f6\'d7\'d6\'b5\'e4\'b5\'c4\'ca\'fd\'be\'dd\'bd\'e1\'b9\'b9\'a3\'ac\'ca\'c7\'d2\'bb\'d0\'a9\'d4\'aa\'cb\'d8\'b5\'c4\'bc\'af\'ba\'cf\'a3\'ac\'c3\'bf\'b8\'f6\'d4\'aa\'cb\'d8\'d3\'d0\'d2\'bb\'b8\'f6key\'a3\'ac\'b2\'bb\'cd\'ac\'d4\'aa\'cb\'d8\'b5\'c4key\'b8\'f7\'b2\'bb\'cf\'e0\'cd\'ac\
\'b9\'b2\'cd\'ac\'b5\'e3\'a3\'ba\'c1\'bd\'d5\'df\'b6\'bc\'ca\'c7\'b4\'e6\'b4\'a2\'b2\'bb\'d6\'d8\'b8\'b4\'b5\'c4\'d6\'b5\
\'b2\'bb\'cd\'ac\'b5\'e3\'a3\'ba\'bc\'af\'ba\'cf\'d2\'d4[\'d6\'b5,\'d6\'b5]\'b5\'c4\'d0\'ce\'ca\'bd\'b4\'e6\'b4\'a2\'d4\'aa\'cb\'d8\'a3\'ac\'d7\'d6\'b5\'e4\'ca\'c7\'d2\'d4[\'bc\'fc,\'d6\'b5]\'b5\'c4\'d0\'ce\'ca\'bd\'b4\'e6\'b4\'a2\
\'d2\'bb\'a1\'a2set\
\'c0\'e0\'cb\'c6\'d3\'da\'ca\'fd\'d7\'e9\'a3\'ac\'b5\'ab\'ca\'c7\'b3\'c9\'d4\'b1\'ca\'c7\'ce\'a8\'d2\'bb\'b5\'c4\'a3\'ac\'b3\'c6\'d6\'ae\'ce\'aa\'bc\'af\'ba\'cf\
const s= new  set()\
\'d4\'f6 s.add(1).add(2).add(2) \'b5\'b1\'c7\'b0\'ca\'b5\'c0\'fd\'d2\'d1\'be\'ad\'b4\'e6\'d4\'da\'b5\'c4\'d4\'aa\'cb\'d8\'a3\'acset\'b2\'bb\'bb\'e1\'d4\'d9\'cc\'ed\'bc\'d3\
\'c9\'be s.delete(2) \'b7\'b5\'bb\'d8boolean \'b1\'ed\'ca\'be\'ca\'c7\'b7\'f1\'c9\'be\'b3\'fd\'b3\'c9\'b9\'a6\
\'b2\'e9 s.has(1) \'b7\'b5\'bb\'d8boolean \'b1\'ed\'ca\'be\'ca\'c7\'b7\'f1\'ce\'aaset\'b3\'c9\'d4\'b1\
\'c7\'e5 s.clear() \'c7\'e5\'b3\'fd\'cb\'f9\'d3\'d0\'b3\'c9\'d4\'b1\'a3\'ac\'c3\'bb\'d3\'d0\'b7\'b5\'bb\'d8\'d6\'b5 \'b7\'b5\'bb\'d8undefined\
\'b1\'e9\'c0\'fa \
keys() \'b7\'b5\'bb\'d8\'bc\'fc\'c3\'fb\'b5\'c4\'b1\'e9\'c0\'fa\'c6\'f7\
values()\'b7\'b5\'bb\'d8\'bc\'fc\'d6\'b5\'b5\'c4\'b1\'e9\'c0\'fa\'c6\'f7\
entries()\'b7\'b5\'bb\'d8\'bc\'fc\'d6\'b5\'b6\'d4\'b5\'c4\'b1\'e9\'c0\'fa\'c6\'f7\
forEach() \'ca\'b9\'d3\'c3\'bb\'d8\'b5\'f7\'ba\'af\'ca\'fd\'b1\'e9\'c0\'fa\'c3\'bf\'b8\'f6\'b3\'c9\'d4\'b1\
\'c0\'a9\'d5\'b9\'d4\'cb\'cb\'e3\'b7\'fb\'ba\'cdset\'bd\'e1\'b9\'b9\'bd\'e1\'ba\'cf\'ca\'b5\'cf\'d6\'ca\'fd\'d7\'e9\'bb\'f2\'d7\'d6\'b7\'fb\'b4\'ae\'c8\'a5\'d6\'d8\
\'ca\'b5\'cf\'d6\'b2\'a2\'bc\'af \'bd\'bb\'bc\'af \'b2\'ee\'bc\'af\
\'b6\'fe\'a1\'a2map\
\'ca\'c7\'bc\'fc\'d6\'b5\'b6\'d4\'b5\'c4\'d3\'d0\'d0\'f2\'c1\'d0\'b1\'ed\'a3\'ac\'bc\'fc\'ba\'cd\'d6\'b5\'b6\'bc\'bf\'c9\'d2\'d4\'ca\'c7\'c8\'ce\'d2\'e2\'c0\'e0\'d0\'cd\
const m = new Map();\
\'d4\'f6&\'b8\'c4 m.set(\'a1\'aeedition\'a1\'af,\'a1\'affoo\'a1\'af).set(\'a1\'aeedition\'a1\'af,1).set(undefined,\'a1\'affoo\'a1\'af)    \
\'c9\'be m.delete(\'a1\'aeedition\'a1\'af) \'b7\'b5\'bb\'d8boolean\
\'b2\'e9\
m.size \'b7\'b5\'bb\'d8Map\'bd\'e1\'b9\'b9\'b5\'c4\'b3\'c9\'d4\'b1\'d7\'dc\'ca\'fd \
m.get(\'a1\'aeediton\'a1\'af) \'b7\'b5\'bb\'d8\'bc\'fc\'d6\'b5\'a3\'ac\'d5\'d2\'b2\'bb\'b5\'bd\'b7\'b5\'bb\'d8undefined\
m.has(\'a1\'aeedition\'a1\'af) \'b7\'b5\'bb\'d8boolean\
\'c7\'e5 m.clear()\
\'b1\'e9\'c0\'fa\
keys() \'b7\'b5\'bb\'d8\'bc\'fc\'c3\'fb\'b5\'c4\'b1\'e9\'c0\'fa\'c6\'f7\
values()\'b7\'b5\'bb\'d8\'bc\'fc\'d6\'b5\'b5\'c4\'b1\'e9\'c0\'fa\'c6\'f7\
entries()\'b7\'b5\'bb\'d8\'bc\'fc\'d6\'b5\'b6\'d4\'b5\'c4\'b1\'e9\'c0\'fa\'c6\'f7\
forEach() \'b1\'e9\'c0\'famap\'b5\'c4\'cb\'f9\'d3\'d0\'b3\'c9\'d4\'b1\
\'c4\'e3\'ba\'c3\
===========================================================================\
\pard\pardeftab720\sa240\partightenfactor0

\f0\b\fs48 \cf2 \'c4\'e3\'ca\'c7\'d4\'f5\'c3\'b4\'c0\'ed\'bd\'e2
\f1 ES6
\f0 \'d6\'d0
\f1  Promise
\f0 \'b5\'c4\'a3\'bf\'ca\'b9\'d3\'c3\'b3\'a1\'be\'b0\'a3\'bf
\f3\b0\fs24 \
\pard\pardeftab720\partightenfactor0
\cf2 \'c4\'e3\'ba\'c3\
Promise\'ca\'c7\'d2\'ec\'b2\'bd\'b2\'d9\'d7\'f7\'b5\'c4\'d2\'bb\'d6\'d6\'bd\'e2\'be\'f6\'b7\'bd\'b0\'b8\'a3\'ac\'b1\'c8\'b4\'ab\'cd\'b3\'b5\'c4\'bb\'d8\'b5\'f7\'ba\'af\'ca\'fd\'bd\'e2\'be\'f6\'b7\'bd\'b0\'b8\'b8\'fc\'bc\'d3\'ba\'cf\'c0\'ed\'ba\'cd\'c7\'bf\'b4\'f3\'a1\'a3\'b1\'dc\'c3\'e2\'c1\'cb\'b5\'d8\'d3\'fc\'bb\'d8\'b5\'f7\'a1\'a3\
\'c4\'e3\'ba\'c3\
===========================================================================\
\pard\pardeftab720\sa240\partightenfactor0

\f0\b\fs48 \cf2 \'d4\'f5\'c3\'b4\'c0\'ed\'bd\'e2
\f1 ES6
\f0 \'d6\'d0
\f1  Generator
\f0 \'b5\'c4\'a3\'bf\'ca\'b9\'d3\'c3\'b3\'a1\'be\'b0\'a3\'bf
\f3\b0\fs24 \
\pard\pardeftab720\partightenfactor0
\cf2 \'c4\'e3\'ba\'c3\
Generator\'ca\'c7\'d2\'ec\'b2\'bd\'b2\'d9\'d7\'f7\'b5\'c4\'d2\'bb\'d6\'d6\'bd\'e2\'be\'f6\'b7\'bd\'b0\'b8\'a3\'bb\
\'c4\'e3\'ba\'c3\
===========================================================================\
\pard\pardeftab720\sa240\partightenfactor0

\f0\b\fs48 \cf2 \'d4\'f5\'c3\'b4\'c0\'ed\'bd\'e2
\f1 ES6
\f0 \'d6\'d0
\f1 Proxy
\f0 \'b5\'c4\'a3\'bf\'ca\'b9\'d3\'c3\'b3\'a1\'be\'b0
\f1 ?
\f3\b0\fs24 \
\pard\pardeftab720\partightenfactor0
\cf2 \'c4\'e3\'ba\'c3\
Proxy\'d6\'f7\'d2\'aa\'d3\'c3\'d3\'da\'b6\'a8\'d2\'e5\'bb\'f9\'b1\'be\'b2\'d9\'d7\'f7\'b5\'c4\'d7\'d4\'b6\'a8\'d2\'e5\'d0\'d0\'ce\'aa\'a3\'ac\'b1\'be\'d6\'ca\'be\'cd\'ca\'c7\'d0\'de\'b8\'c4\'b3\'cc\'d0\'f2\'c4\'ac\'c8\'cf\'d0\'d0\'ce\'aa\'a3\'bb\
Proxy\'ca\'c7\'b9\'b9\'d4\'ec\'ba\'af\'ca\'fd\'a3\'acnew\'c9\'fa\'b3\'c9proxy\'ca\'b5\'c0\'fd\
let proxy = new Proxy(target, handler)\
target \'b1\'ed\'ca\'be\'d2\'aa\'c0\'b9\'bd\'d8\'b5\'c4\'b6\'d4\'cf\'f3\'a3\'a8\'c8\'ce\'ba\'ce\'c0\'e0\'d0\'cd\'b5\'c4\'b6\'d4\'cf\'f3\'a3\'ac\'b0\'fc\'c0\'a8\'d4\'ad\'c9\'fa\'ca\'fd\'d7\'e9\'a1\'a2\'ba\'af\'ca\'fd\'c9\'f5\'d6\'c1\'c1\'ed\'d2\'bb\'b8\'f6\'b4\'fa\'c0\'ed\'a3\'a9\
Handler\'cd\'a8\'b3\'a3\'ca\'c7\'d2\'d4\'ba\'af\'ca\'fd\'d7\'f7\'ce\'aa\'ca\'f4\'d0\'d4\'b5\'c4\'b6\'d4\'cf\'f3\'a3\'ac\'b8\'f7\'ca\'f4\'d0\'d4\'d6\'d0\'b5\'c4\'ba\'af\'ca\'fd\'b7\'d6\'b1\'f0\'b6\'a8\'d2\'e5\'c1\'cb\'d4\'da\'d6\'b4\'d0\'d0\'b8\'f7\'d6\'d6\'b2\'d9\'d7\'f7\'ca\'b1\'b4\'fa\'c0\'edp\'b5\'c4\'d0\'d0\'ce\'aa\
\
\
\'b3\'a3\'d3\'c3\'d3\'da\'cf\'c2\'c3\'e6\'c8\'fd\'b8\'f6\'b7\'bd\'c3\'e6\'a3\'ba\
1.\'c0\'b9\'bd\'d8\'ba\'cd\'bc\'e0\'cc\'fd\'cd\'e2\'b2\'bf\'b6\'d4\'b6\'d4\'cf\'f3\'b5\'c4\'b7\'c3\'ce\'ca\
2.\'bd\'b5\'b5\'cd\'ba\'af\'ca\'fd\'ba\'cd\'c0\'e0\'b5\'c4\'b8\'b4\'d4\'d3\'b6\'c8\
3.\'d4\'da\'b8\'b4\'d4\'d3\'b2\'d9\'d7\'f7\'c7\'b0\'b6\'d4\'b2\'d9\'d7\'f7\'bd\'f8\'d0\'d0\'d0\'a3\'d1\'e9\'bb\'f2\'d5\'df\'b6\'d4\'cb\'f9\'d0\'e8\'d7\'ca\'d4\'b4\'bd\'f8\'d0\'d0\'b9\'dc\'c0\'ed\
\
\'d3\'a6\'d3\'c3\'b3\'a1\'be\'b0\'a3\'ba\
1\cf2 \ul \ulc2 .\'b3\'e9\'c0\'eb\'d0\'a3\'d1\'e9\'ca\'f4\'d0\'d4\'a3\'ba
\fs28 \cf6 \ulc6 \'ca\'b9\'d3\'c3
\f8 \AppleTypeServices\AppleTypeServicesF65539  Proxy 
\f3 \AppleTypeServices \'b1\'a3\'d5\'cf\'ca\'fd\'be\'dd\'c0\'e0\'d0\'cd\'b5\'c4\'d7\'bc\'c8\'b7\'d0\'d4\
\pard\pardeftab720\partightenfactor0

\fs24 \cf2 \ulc2 2.\'cb\'bd\'d3\'d0\'ca\'f4\'d0\'d4\
3.\'b7\'c3\'ce\'ca\'c8\'d5\'d6\'be\
4.\'d4\'a4\'be\'af\'ba\'cd\'c0\'b9\'bd\'d8\
5.\'b9\'fd\'c2\'cb\'b2\'d9\'d7\'f7\
6.\'d6\'d0\'b6\'cf\'b4\'fa\'c0\'ed\ulnone \
\'c4\'e3\'ba\'c3\
===========================================================================\
\pard\pardeftab720\sa240\partightenfactor0

\f0\b\fs48 \cf2 \'d4\'f5\'c3\'b4\'c0\'ed\'bd\'e2
\f1 ES6
\f0 \'d6\'d0
\f1 Module
\f0 \'b5\'c4\'a3\'bf\'ca\'b9\'d3\'c3\'b3\'a1\'be\'b0\'a3\'bf
\f3\b0\fs24 \
\pard\pardeftab720\partightenfactor0
\cf2 \'c4\'e3\'ba\'c3\
\'c4\'a3\'bf\'e9\'ca\'c7\'c4\'dc\'b9\'bb\'b5\'a5\'b6\'c0\'c3\'fc\'c3\'fb\'b2\'a2\'b6\'c0\'c1\'a2\'cd\'ea\'b3\'c9\'d2\'bb\'b6\'a8\'b9\'a6\'c4\'dc\'b5\'c4\'b3\'cc\'d0\'f2\'d3\'ef\'be\'e4\'b5\'c4\'bc\'af\'ba\'cf\'a3\'a8\'bc\'b4\'b3\'cc\'d0\'f2\'b4\'fa\'c2\'eb\'ba\'cd\'ca\'fd\'be\'dd\'bd\'e1\'b9\'b9\'b5\'c4\'bc\'af\'ba\'cf\'cc\'e5\'a3\'a9\
\'d7\'f7\'d3\'c3\'a3\'ba\
1.\'b4\'fa\'c2\'eb\'b3\'e9\'cf\'f3\
2.\'b4\'fa\'c2\'eb\'b7\'e2\'d7\'b0\
3.\'b4\'fa\'c2\'eb\'b8\'b4\'d3\'c3\
4.\'d2\'c0\'c0\'b5\'b9\'dc\'c0\'ed\
\
\'c3\'bb\'d3\'d0\'c4\'a3\'bf\'e9\'bb\'af\'a3\'ac\'b4\'fa\'c2\'eb\'bb\'e1\'d4\'f5\'c3\'b4\'d1\'f9\'a3\'ba\
1.\'b1\'e4\'c1\'bf\'ba\'cd\'b7\'bd\'b7\'a8\'b2\'bb\'c8\'dd\'d2\'d7\'ce\'ac\'bb\'a4\'a3\'ac\'c8\'dd\'d2\'d7\'ce\'db\'c8\'be\'c8\'ab\'be\'d6\'d7\'f7\'d3\'c3\'d3\'f2\
2.\'bc\'d3\'d4\'d8\'d7\'ca\'d4\'b4\'b5\'c4\'b7\'bd\'ca\'bd\'cd\'a8\'b9\'fdscript\'b1\'ea\'c7\'a9\'b4\'d3\'c9\'cf\'b5\'bd\'cf\'c2 \'a1\'a2\
3.\'d2\'c0\'c0\'b5\'b5\'c4\'bb\'b7\'be\'b3\'d6\'f7\'b9\'db\'c2\'df\'bc\'ad\'c6\'ab\'d6\'d8\'a3\'ac\'b4\'fa\'c2\'eb\'bd\'cf\'b6\'e0\'be\'cd\'bb\'e1\'b1\'c8\'bd\'cf\'b8\'b4\'d4\'d3\
4.\'b4\'f3\'d0\'cd\'cf\'ee\'c4\'bf\'c4\'d1\'d2\'d4\'ce\'ac\'bb\'a4\'a3\'ac\'cc\'d8\'b1\'f0\'ca\'c7\'b6\'e0\'c8\'cb\'ba\'cf\'d7\'f7\'a3\'ac\'d7\'ca\'d4\'b4\'d2\'fd\'c8\'eb\'c8\'c3\'c8\'cb\'b1\'c0\'c0\'a3\
\
\
\pard\pardeftab720\partightenfactor0

\f0\b \cf2 es6\'b5\'c4module\'ca\'b9\'d3\'c3\'c4\'c4\'d0\'a9\'b7\'bd\'b7\'a8\'be\'cd\'bc\'d3\'d4\'d8\'c4\'c4\'d0\'a9\'b7\'bd\'b7\'a8\'a3\'ac\'bf\'c9\'d2\'d4\'d4\'da\'b1\'e0\'d2\'eb\'ca\'b1\'cd\'ea\'b3\'c9\'c4\'a3\'bf\'e9\'bc\'d3\'d4\'d8\
commonJS\'ba\'cdAMD\'b6\'bc\'ca\'c7\'d4\'da\'d4\'cb\'d0\'d0\'ca\'b1\'c8\'b7\'b6\'a8\'d5\'e2\'d0\'a9\'b6\'ab\'ce\'f7\'a3\'ac\'d2\'fd\'c8\'eb\'ca\'b1\'b1\'d8\'d0\'eb\'bc\'d3\'d4\'d8\'cb\'f9\'d3\'d0\'b5\'c4\'b7\'bd\'b7\'a8
\f3\b0 \
	  \
\'c4\'e3\'ba\'c3\
===========================================================================\
\pard\pardeftab720\sa240\partightenfactor0

\f0\b\fs48 \cf2 \'d4\'f5\'c3\'b4\'c0\'ed\'bd\'e2
\f1 ES6
\f0 \'d6\'d0
\f1  Decorator 
\f0 \'b5\'c4\'a3\'bf\'ca\'b9\'d3\'c3\'b3\'a1\'be\'b0\'a3\'bf
\f3\b0\fs24 \cf2 \
\pard\pardeftab720\partightenfactor0
\cf2 \'c4\'e3\'ba\'c3\
Decorator \'b1\'be\'d6\'ca\'c9\'cf\'ca\'c7\'d2\'bb\'b8\'f6\'c6\'d5\'cd\'a8\'ba\'af\'ca\'fd\'a3\'ac\'d4\'da\'b2\'bb\'b8\'c4\'b1\'e4\'d4\'ad\'c0\'e0\'ba\'cd\'ca\'b9\'d3\'c3\'bc\'cc\'b3\'d0\'b5\'c4\'c7\'e9\'bf\'f6\'cf\'c2\'a3\'ac\'d3\'c3\'d3\'da\'c0\'a9\'d5\'b9\'c0\'e0\'ca\'f4\'d0\'d4\'ba\'cd\'c0\'e0\'b7\'bd\'b7\'a8\'a3\'bb\
\'d6\'b4\'d0\'d0\'d4\'da\'b4\'fa\'c2\'eb\'b5\'c4\'b1\'e0\'d2\'eb\'bd\'d7\'b6\'ce\'a3\'ac\'d2\'f2\'b4\'cb\'cb\'fc\'ca\'f4\'d3\'da\'d4\'aa\'b1\'e0\'b3\'cc\'b5\'c4\'d2\'bb\'d6\'d6\'cb\'bc\'cf\'eb\'a3\'bb\
\
\'d7\'b0\'ca\'ce\'c6\'f7\'b3\'fd\'c1\'cb\'c0\'a9\'d5\'b9\'d6\'ae\'cd\'e2\'a3\'ac\'bb\'b9\'d3\'d0\'d2\'bb\'b6\'a8\'b5\'c4\'d7\'a2\'bd\'e2\'d7\'f7\'d3\'c3\'a3\'bb\
\
\'d3\'c3\'b7\'a8\'a3\'ba1.\'c0\'e0\'b5\'c4\'d7\'b0\'ca\'ce\'a3\'bb2.\'c0\'e0\'ca\'f4\'d0\'d4\'b5\'c4\'d7\'b0\'ca\'ce\'a3\'bb\
}